Thermofluid modeling for energy efficiency applications

Thermofluid Modeling for Sustainable Energy Applications provides a collection of the most recent, cutting-edge developments in the application of fluid mechanics modeling to energy systems and energy efficient technology. Each chapter introduces relevant theories alongside detailed, real-life case...

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Detalles Bibliográficos
Otros Autores:	Khan, M. Masud K., editor (editor), Hassan, Nur M. S., editor
Formato:	Libro electrónico
Idioma:	Inglés
Publicado:	Amsterdam, Netherlands : Academic Press 2016.
Edición:	1st edition
Materias:	Computational fluid dynamics.
Ver en Biblioteca Universitat Ramon Llull:	https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009629687506719

Tabla de Contenidos:

Front Cover
Thermofluid Modeling for Energy Efficiency Applications
Copyright Page
Contents
List of Contributors
Preface
1 Performance Evaluation of Hybrid Earth Pipe Cooling with Horizontal Piping System
1.1 Introduction
1.2 Earth Pipe Cooling Technology
1.3 Green Roof System
1.4 Experimental Design and Measurement
1.5 Model Description
1.5.1 Modeling Equation
1.5.2 Geometry of the Model
1.5.3 Mesh Generation
1.5.4 Solver Approach
1.6 Results and Discussion
1.7 Conclusion
Acknowledgments
References
2 Thermal Efficiency Modeling in a Subtropical Data Center
2.1 Introduction
2.2 CFD Modeling of Data Center
2.2.1 Simulation Approach
2.2.2 Modeling Equations
2.3 Data Center Description
2.4 Results and Discussion
2.4.1 Experimental
2.4.2 Simulations Results
2.4.2.1 Data Center Room and Rack Thermal Maps
2.4.2.2 Static Pressure Map
2.4.2.3 Air Flow Paths
2.5 CRAC Performance
2.6 Conclusions and Recommendations
Nomenclature
References
3 Natural Convection Heat Transfer in the Partitioned Attic Space
3.1 Introduction
3.2 Problem Formulation
3.3 Numerical Approach and Validation
3.4 Results and Discussions
3.4.1 Development of Coupled Thermal Boundary Layer
3.4.2 Effect of Geometry Configuration
3.4.3 Effect of Rayleigh Number
3.5 Conclusions
References
4 Application of Nanofluid in Heat Exchangers for Energy Savings
4.1 Introduction
4.2 Types of Nanoparticles and Nanofluid Preparation
4.3 Application of Nanofluid in Heat Exchangers
4.4 Physical Model and Boundary Values
4.5 Governing Equations
4.6 Thermal and Fluid Dynamic Analysis
4.7 Thermophysical Properties of Nanofluid
4.7.1 Thermal Conductivity
4.7.2 Dynamic Viscosity
4.7.3 Density
4.7.4 Specific Heat
4.8 Numerical Method.
4.9 Code Validation
4.10 Grid Independence Test
4.11 Results and Discussions
4.11.1 Heat Transfer Coefficient for Different Volume Fraction of Nanofluid
4.11.2 Heat Transfer Coefficient for Different Nanofluids at the Same Volume Fraction
4.11.3 Pumping Power
4.12 Case Study for a Typical Heat Exchanger
4.13 Conclusions
Nomenclature
Greek symbols
Subscripts
Dimensionless parameter
References
5 Effects of Perforation Geometry on the Heat Transfer Performance of Extended Surfaces
5.1 Introduction
5.2 Problem Description
5.3 Governing Equations
5.4 Numerical Model Formulation
5.4.1 Geometric Configuration and Computational Procedure
5.4.2 Validation of the Numerical Simulation
5.5 Results and Discussions
5.5.1 Nusselt Number Variation with the Reynolds Number
5.5.2 Effects of Drag Force
5.5.3 Heat Removal Rate at Various Reynolds Numbers
5.6 Conclusions
References
6 Numerical Study of Flow Through a Reducer for Scale Growth Suppression
6.1 Introduction
6.2 The Bayer Process
6.2.1 Bayer Process Scaling
6.3 Fundamentals of Scaling
6.4 Particle Deposition Mechanisms
6.5 Fluid Dynamics Analysis in Scale Growth and Suppression
6.6 Target Model
6.7 Numerical Method
6.8 Grid Independence Test
6.9 Results and Discussion
6.9.1 Variation of Fluctuating Velocity Components along Radius
6.9.2 Variation of Fluctuating Velocity Components Along Reducer Wall
6.9.3 Variation of Turbulent Kinetic Energy Along Radius
6.10 Conclusions
Nomenclature
Greek symbols
Subscripts
References
7 Parametric Analysis of Thermal Comfort and Energy Efficiency in Building in Subtropical Climate
7.1 Introduction
7.2 Climate Condition
7.3 Envelope Construction
7.3.1 Conventional Construction Systems
7.3.2 Novel Construction Systems.
7.4 Simulation Principles
7.4.1 Model Development
7.5 Results and Analysis
7.6 Conclusions
References
8 Residential Building Wall Systems: Energy Efficiency and Carbon Footprint
8.1 Introduction
8.1.1 Thermal Comfort
8.1.2 Thermal Insulation
8.1.3 Lag Time
8.1.4 R-Value
8.1.5 Thermal Masses
8.2 Design Patterns of Australian Houses
8.2.1 Timber Weatherboard House
8.2.2 Fibro Cement Weatherboard House
8.2.3 Double Brick Veneer House
8.2.4 Single Brick Veneer House (Conventional House)
8.3 House Wall Systems
8.3.1 House Wall Configuration
8.3.2 Conventional House Wall
8.4 Energy Star Rating and Thermal Performance Modeling Tools
8.5 Results
8.5.1 Conventional House Wall (Benchmark)
8.5.2 New House Wall
8.5.3 Inner and Outer Insulation Positions
8.6 Discussion
8.6.1 Industrial Implications
8.7 Concluding Remarks
References
9 Cement Kiln Process Modeling to Achieve Energy Efficiency by Utilizing Agricultural Biomass as Alternative Fuels
9.1 Introduction
9.2 Cement Manufacturing Process
9.2.1 Kiln
9.3 Alternative Fuels
9.4 Agricultural Biomass
9.4.1 Agricultural Biomasses in Australia
9.4.2 Selection of Agricultural Biomass
9.4.3 Chemical Composition of Alternative Fuels
9.5 Model Development and Validation
9.5.1 Model Principle
9.5.2 Model Assumption
9.5.3 Model Validation
9.5.4 Modified Kiln Model
9.6 Simulation Results and Discussion
9.7 Conclusion
References
10 Modeling and Simulation of Heat and Mass Flow by ASPEN HYSYS for Petroleum Refining Process in Field Application
10.1 Introduction
10.2 Heating Furnace
10.2.1 Burner
10.2.2 Furnace Tube/Coil System
10.2.3 Furnace Wall System
10.2.4 Flue Gas Venting System
10.2.5 Blower, Fire Watch Door, Explosion-Proof Door
10.2.6 Control System.
10.2.7 Furnace Drying Technique
10.3 Distillation Unit
10.4 Simulation and Optimization of the Refining Processes
10.4.1 ASPEN™ HYSYS Working Phenomena
10.4.2 Techniques Used for This Simulation
10.4.3 Basic Assumptions
10.4.4 Simulation for the Case Study Plant
10.4.5 Heat and Material Balance
10.4.6 Energy Usage Analysis
10.4.7 Energy Management
10.4.7.1 Short-Term Measures
10.4.7.2 Medium-Term Measures
10.4.7.3 Long-Term Measures
10.5 Conclusion
References
11 Modeling of Solid and Bio-Fuel Combustion Technologies
11.1 Introduction
11.2 Different Carbon Capture Technologies
11.3 Status of Coal/Biomass Combustion Technology
11.4 Modeling of Coal/Biomass Combustion
11.4.1 Fundamentals of Combustion Modeling
11.4.2 Recent Numerical Activities in Combustion
11.5 Modeling of Packed Bed Combustion
11.5.1 Recent Numerical Models
11.5.2 Modeling Methodology
11.6 Modeling of Slagging in Combustion
11.6.1 Fundamentals of Slagging
11.6.2 Processes Involved in Slagging
11.6.3 Recent Numerical Works
11.7 Example A: Lab-Scale Modeling for Coal Combustion
11.7.1 Experimental Study Considered
11.7.2 Furnace Description and Operating Conditions
11.7.3 Effect of Different Performance Parameters
11.8 Example B: Lab-Scale Modeling for Coal/Biomass Co-Firing
11.8.1 Experimental Study Considered
11.8.2 Investigated Cases
11.8.3 Outcome of the Investigation
11.9 Conclusion
Nomenclature
Greek Symbols
List of Abbreviations
References
12 Ambient Temperature Rise Consequences for Power Generation in Australia
12.1 Introduction
12.1.1 Energy Use Projection for Australia up to Year 2035
12.1.2 Projected Power Generation in Australia up to the Year 2100
12.1.3 The Rise of Ambient Temperature in Australia up to the year 2100.
12.1.3.1 Impact of Ambient Temperature Change in Australia
12.1.3.2 Impact of Ambient Temperature Change on Energy and Infrastructure in Australia
12.1.4 Australian Ambient Temperature Change Scenario and Model Analysis
12.1.4.1 Scenario Analysis
12.1.4.2 Model Analysis
12.1.5 Impact of Ambient Temperature Rise on Power Generation in Australia's States and Territories
12.1.5.1 Impact on Power Generation in New South Wales
12.1.5.2 Impact on Power Generation in Victoria
12.1.5.3 Impact on Power Generation in Queensland
12.1.5.4 Impact on Power Generation in South Australia
12.1.5.5 Impact on Power Generation in Western Australia
12.1.5.6 Impact on Power Generation in the Northern Territory
12.1.5.7 Impact on Power Generation in Tasmania
12.2 Overall Impact on Power Generation in Australia
12.3 Reduction of Power Generation Efficiency in Australia from 2030 to 2100
12.4 Concluding Remarks
References
Index
Back Cover.

Thermofluid modeling for energy efficiency applications

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